What this means
The IEEE assigned the MA-M block D09FD99 to ENTTEC Pty Ltd.. Every network interface they manufacture under this block has a MAC address beginning with these digits, followed by a unique per-device identifier. If a device on your network shows a MAC starting D0:9F:D9:9, it is ENTTEC Pty Ltd. hardware.
Frequently Asked Questions
Who owns MAC prefix D09FD99?
D09FD99 is registered to ENTTEC Pty Ltd. in the IEEE MA-M registry.
What does the MA-M registry type mean?
An MA-M assignment covers 28 bits of the address, giving the vendor 1,048,576 device addresses, a quarter of a full MA-L block. ENTTEC Pty Ltd.'s block covers 1,048,576 addresses.
What devices use D09FD99?
Any network device with a MAC address starting D0:9F:D9:9 was manufactured by or for ENTTEC Pty Ltd..